Zebra GK420t, 203dpi, DT/TT, RS232, USB, Parallel, EPL&ZPL, Peeler, Power Supply Unit. Print technology: Thermal transfer, Maximum resolution: 203 x 203 DPI, Print speed: 127 mm/sec. Supported paper width: 104 mm. Connectivity technology: Wired. Product colour: Grey. The Zebra enhanced GK420t thermal transfer printer offers the best value in a basic desktop printer, featuring a fast 5 inches per second print speed to meet your low- to medium-volume printing requirements. The GK420t has a sleek and compact design, boasts the easiest ribbon loading system on the market, and supports a variety of applications and industries. Specifications Interfaces/Ports USB Yes Warranty Limited Warranty 1 Year Network & Communication Ethernet Yes Ethernet Technology Fast Ethernet Fonts & Emulation Language Emulation ZPL XML EPL Memory Flash Memory 4 MB Standard Memory 8 MB Memory Technology SDRAM Media Types & Handling Media Thickness 190.5 µm Maximum Roll Diameter 127 mm